mirror of https://gerrit.osmocom.org/libosmocore
import gprs_gsup_message.[ch] from openbsc as gsup.[ch]
Move those routines from OpenBSC to libosmogsm, so they can be re-used from other programs. I think it was a mistake to add them only inside the openbsc repository in the first place. We need to pay more attention to this in the future.changes/33/33/1 0.9.4
parent
9709b2e6fd
commit
3b6fb0880c
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@ -70,6 +70,7 @@ nobase_include_HEADERS = \
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osmocom/gsm/gsm48.h \
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osmocom/gsm/gsm48_ie.h \
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osmocom/gsm/gsm_utils.h \
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osmocom/gsm/gsup.h \
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osmocom/gsm/ipa.h \
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osmocom/gsm/lapd_core.h \
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osmocom/gsm/lapdm.h \
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@ -91,7 +91,8 @@ void logp(int subsys, const char *file, int line, int cont, const char *format,
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#define DLCTRL -8 /*!< Control Interface */
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#define DLGTP -9 /*!< GTP (GPRS Tunneling Protocol */
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#define DLSTATS -10 /*!< Statistics */
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#define OSMO_NUM_DLIB 10 /*!< Number of logging sub-systems in libraries */
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#define DLGSUP 11 /*!< Generic Subscriber Update Protocol */
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#define OSMO_NUM_DLIB 11 /*!< Number of logging sub-systems in libraries */
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/*! Configuration of singgle log category / sub-system */
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struct log_category {
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@ -0,0 +1,139 @@
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/* Osmocom Subscriber Update Protocol message encoder/decoder */
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/* (C) 2014 by Sysmocom s.f.m.c. GmbH, Author: Jacob Erlbeck
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* (C) 2016 by Harald Welte <laforge@gnumonks.org>
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* All Rights Reserved
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#pragma once
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#include <stdint.h>
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#include <osmocom/core/msgb.h>
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#include <osmocom/gsm/protocol/gsm_23_003.h>
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#include <osmocom/gsm/protocol/gsm_04_08_gprs.h>
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#include <osmocom/crypt/auth.h>
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/*! Maximum nubmer of PDP inside \ref osmo_gsup_message */
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#define OSMO_GSUP_MAX_NUM_PDP_INFO 10 /* GSM 09.02 limits this to 50 */
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/*! Maximum number of auth info inside \ref osmo_gsup_message */
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#define OSMO_GSUP_MAX_NUM_AUTH_INFO 5
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/*! Maximum number of octets encoding MSISDN in BCD format */
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#define OSMO_GSUP_MAX_MSISDN_LEN 9
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#define OSMO_GSUP_PDP_TYPE_SIZE 2
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/*! Information Element Identifiers for GSUP IEs */
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enum osmo_gsup_iei {
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OSMO_GSUP_IMSI_IE = 0x01,
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OSMO_GSUP_CAUSE_IE = 0x02,
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OSMO_GSUP_AUTH_TUPLE_IE = 0x03,
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OSMO_GSUP_PDP_INFO_COMPL_IE = 0x04,
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OSMO_GSUP_PDP_INFO_IE = 0x05,
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OSMO_GSUP_CANCEL_TYPE_IE = 0x06,
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OSMO_GSUP_FREEZE_PTMSI_IE = 0x07,
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OSMO_GSUP_MSISDN_IE = 0x08,
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OSMO_GSUP_HLR_NUMBER_IE = 0x09,
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OSMO_GSUP_PDP_CONTEXT_ID_IE = 0x10,
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OSMO_GSUP_PDP_TYPE_IE = 0x11,
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OSMO_GSUP_ACCESS_POINT_NAME_IE = 0x12,
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OSMO_GSUP_PDP_QOS_IE = 0x13,
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OSMO_GSUP_RAND_IE = 0x20,
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OSMO_GSUP_SRES_IE = 0x21,
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OSMO_GSUP_KC_IE = 0x22,
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/* 3G support */
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OSMO_GSUP_IK_IE = 0x23,
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OSMO_GSUP_CK_IE = 0x24,
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OSMO_GSUP_AUTN_IE = 0x25,
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OSMO_GSUP_AUTS_IE = 0x26,
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OSMO_GSUP_RES_IE = 0x27,
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};
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/*! GSUP message type */
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enum osmo_gsup_message_type {
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OSMO_GSUP_MSGT_UPDATE_LOCATION_REQUEST = 0b00000100,
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OSMO_GSUP_MSGT_UPDATE_LOCATION_ERROR = 0b00000101,
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OSMO_GSUP_MSGT_UPDATE_LOCATION_RESULT = 0b00000110,
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OSMO_GSUP_MSGT_SEND_AUTH_INFO_REQUEST = 0b00001000,
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OSMO_GSUP_MSGT_SEND_AUTH_INFO_ERROR = 0b00001001,
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OSMO_GSUP_MSGT_SEND_AUTH_INFO_RESULT = 0b00001010,
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OSMO_GSUP_MSGT_PURGE_MS_REQUEST = 0b00001100,
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OSMO_GSUP_MSGT_PURGE_MS_ERROR = 0b00001101,
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OSMO_GSUP_MSGT_PURGE_MS_RESULT = 0b00001110,
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OSMO_GSUP_MSGT_INSERT_DATA_REQUEST = 0b00010000,
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OSMO_GSUP_MSGT_INSERT_DATA_ERROR = 0b00010001,
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OSMO_GSUP_MSGT_INSERT_DATA_RESULT = 0b00010010,
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OSMO_GSUP_MSGT_DELETE_DATA_REQUEST = 0b00010100,
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OSMO_GSUP_MSGT_DELETE_DATA_ERROR = 0b00010101,
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OSMO_GSUP_MSGT_DELETE_DATA_RESULT = 0b00010110,
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OSMO_GSUP_MSGT_LOCATION_CANCEL_REQUEST = 0b00011100,
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OSMO_GSUP_MSGT_LOCATION_CANCEL_ERROR = 0b00011101,
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OSMO_GSUP_MSGT_LOCATION_CANCEL_RESULT = 0b00011110,
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};
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#define OSMO_GSUP_IS_MSGT_REQUEST(msgt) (((msgt) & 0b00000011) == 0b00)
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#define OSMO_GSUP_IS_MSGT_ERROR(msgt) (((msgt) & 0b00000011) == 0b01)
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#define OSMO_GSUP_TO_MSGT_ERROR(msgt) (((msgt) & 0b11111100) | 0b01)
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enum osmo_gsup_cancel_type {
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OSMO_GSUP_CANCEL_TYPE_UPDATE = 1, /* on wire: 0 */
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OSMO_GSUP_CANCEL_TYPE_WITHDRAW = 2, /* on wire: 1 */
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};
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/*! parsed/decoded PDP context information */
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struct osmo_gsup_pdp_info {
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unsigned int context_id;
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int have_info;
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/*! Type of PDP context */
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uint16_t pdp_type;
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/*! APN information, still in encoded form. Can be NULL if no
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* APN information included */
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const uint8_t *apn_enc;
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/*! length (in octets) of apn_enc */
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size_t apn_enc_len;
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/*! QoS information, still in encoded form. Can be NULL if no
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* QoS information included */
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const uint8_t *qos_enc;
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/*! length (in octets) of qos_enc */
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size_t qos_enc_len;
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};
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/*! parsed/decoded GSUP protocol message */
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struct osmo_gsup_message {
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enum osmo_gsup_message_type message_type;
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char imsi[GSM23003_IMSI_MAX_DIGITS+2];
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enum gsm48_gmm_cause cause;
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enum osmo_gsup_cancel_type cancel_type;
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int pdp_info_compl;
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int freeze_ptmsi;
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struct osmo_auth_vector auth_vectors[OSMO_GSUP_MAX_NUM_AUTH_INFO];
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size_t num_auth_vectors;
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struct osmo_gsup_pdp_info pdp_infos[OSMO_GSUP_MAX_NUM_PDP_INFO];
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size_t num_pdp_infos;
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const uint8_t *msisdn_enc;
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size_t msisdn_enc_len;
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const uint8_t *hlr_enc;
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size_t hlr_enc_len;
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const uint8_t *auts;
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};
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int osmo_gsup_decode(const uint8_t *data, size_t data_len,
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struct osmo_gsup_message *gsup_msg);
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void osmo_gsup_encode(struct msgb *msg, const struct osmo_gsup_message *gsup_msg);
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@ -26,7 +26,8 @@ libgsmint_la_SOURCES = a5.c rxlev_stat.c tlv_parser.c comp128.c comp128v23.c \
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auth_core.c auth_comp128v1.c auth_comp128v23.c \
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auth_milenage.c milenage/aes-encblock.c \
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milenage/aes-internal.c milenage/aes-internal-enc.c \
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milenage/milenage.c gan.c ipa.c gsm0341.c apn.c
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milenage/milenage.c gan.c ipa.c gsm0341.c apn.c \
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gsup.c
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libgsmint_la_LDFLAGS = -no-undefined
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libgsmint_la_LIBADD = ../libosmocore.la
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@ -0,0 +1,472 @@
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/* Osmocom Subscriber Update Protocol message encoder/decoder */
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/*
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* (C) 2014 by Sysmocom s.f.m.c. GmbH
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* (C) 2015 by Holger Hans Peter Freyther
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* (C) 2016 by Harald Welte <laforge@gnumonks.org>
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* All Rights Reserved
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*
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* Author: Jacob Erlbeck
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include <osmocom/gsm/tlv.h>
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#include <osmocom/core/msgb.h>
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#include <osmocom/core/logging.h>
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#include <osmocom/gsm/gsm48_ie.h>
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#include <osmocom/gsm/gsup.h>
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#include <stdint.h>
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static int decode_pdp_info(uint8_t *data, size_t data_len,
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struct osmo_gsup_pdp_info *pdp_info)
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{
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int rc;
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uint8_t tag;
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uint8_t *value;
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size_t value_len;
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/* specific parts */
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while (data_len > 0) {
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enum osmo_gsup_iei iei;
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rc = osmo_shift_tlv(&data, &data_len, &tag, &value, &value_len);
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if (rc < 0)
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return -GMM_CAUSE_PROTO_ERR_UNSPEC;
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iei = tag;
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switch (iei) {
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case OSMO_GSUP_PDP_CONTEXT_ID_IE:
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pdp_info->context_id = osmo_decode_big_endian(value, value_len);
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break;
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case OSMO_GSUP_PDP_TYPE_IE:
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pdp_info->pdp_type =
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osmo_decode_big_endian(value, value_len) & 0x0fff;
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break;
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case OSMO_GSUP_ACCESS_POINT_NAME_IE:
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pdp_info->apn_enc = value;
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pdp_info->apn_enc_len = value_len;
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break;
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case OSMO_GSUP_PDP_QOS_IE:
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pdp_info->qos_enc = value;
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pdp_info->qos_enc_len = value_len;
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break;
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default:
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LOGP(DLGSUP, LOGL_ERROR,
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"GSUP IE type %d not expected in PDP info\n", iei);
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continue;
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}
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}
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return 0;
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}
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static int decode_auth_info(uint8_t *data, size_t data_len,
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struct osmo_auth_vector *auth_vector)
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{
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int rc;
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uint8_t tag;
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uint8_t *value;
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size_t value_len;
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enum osmo_gsup_iei iei;
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uint8_t presence = 0;
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/* specific parts */
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while (data_len > 0) {
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rc = osmo_shift_tlv(&data, &data_len, &tag, &value, &value_len);
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if (rc < 0)
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return -GMM_CAUSE_PROTO_ERR_UNSPEC;
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iei = tag;
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switch (iei) {
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case OSMO_GSUP_RAND_IE:
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if (value_len != sizeof(auth_vector->rand))
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goto parse_error;
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memcpy(auth_vector->rand, value, value_len);
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presence |= (1 << 0);
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break;
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case OSMO_GSUP_SRES_IE:
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if (value_len != sizeof(auth_vector->sres))
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goto parse_error;
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memcpy(auth_vector->sres, value, value_len);
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presence |= (1 << 1);
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break;
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case OSMO_GSUP_KC_IE:
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if (value_len != sizeof(auth_vector->kc))
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goto parse_error;
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memcpy(auth_vector->kc, value, value_len);
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presence |= (1 << 2);
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break;
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case OSMO_GSUP_IK_IE:
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if (value_len != sizeof(auth_vector->ik))
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goto parse_error;
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memcpy(auth_vector->ik, value, value_len);
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presence |= (1 << 4);
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break;
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case OSMO_GSUP_CK_IE:
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if (value_len != sizeof(auth_vector->ck))
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goto parse_error;
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memcpy(auth_vector->ck, value, value_len);
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presence |= (1 << 5);
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break;
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case OSMO_GSUP_AUTN_IE:
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if (value_len != sizeof(auth_vector->autn))
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goto parse_error;
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memcpy(auth_vector->autn, value, value_len);
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presence |= (1 << 6);
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break;
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case OSMO_GSUP_RES_IE:
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if (value_len > sizeof(auth_vector->res))
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goto parse_error;
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memcpy(auth_vector->res, value, value_len);
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auth_vector->res_len = value_len;
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presence |= (1 << 7);
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break;
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default:
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LOGP(DLGSUP, LOGL_ERROR,
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"GSUP IE type %d not expected in PDP info\n", iei);
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continue;
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}
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}
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if (presence & 0x07)
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auth_vector->auth_types |= OSMO_AUTH_TYPE_GSM;
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if (presence & 0xf0)
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auth_vector->auth_types |= OSMO_AUTH_TYPE_UMTS;
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return 0;
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parse_error:
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LOGP(DLGSUP, LOGL_ERROR,
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"GSUP IE type %d, length %zu invalid in PDP info\n", iei, value_len);
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return -1;
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}
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/*! Decode (parse) a GSUP message
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* \param[in] const_data input data to be parsed
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* \param[in] data_len length of input (\a const_data)
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* \param[out] gsup_msg callee-allocated output data structure
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* \returns 0 on success; negative otherwise
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*/
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int osmo_gsup_decode(const uint8_t *const_data, size_t data_len,
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struct osmo_gsup_message *gsup_msg)
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{
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int rc;
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uint8_t tag;
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/* the shift/match functions expect non-const pointers, but we'll
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* either copy the data or cast pointers back to const before returning
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* them
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*/
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uint8_t *data = (uint8_t *)const_data;
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uint8_t *value;
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size_t value_len;
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static const struct osmo_gsup_pdp_info empty_pdp_info = {0};
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static const struct osmo_auth_vector empty_auth_info = {0};
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static const struct osmo_gsup_message empty_gsup_message = {0};
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*gsup_msg = empty_gsup_message;
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/* generic part */
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rc = osmo_shift_v_fixed(&data, &data_len, 1, &value);
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if (rc < 0)
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return -GMM_CAUSE_INV_MAND_INFO;
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gsup_msg->message_type = osmo_decode_big_endian(value, 1);
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rc = osmo_match_shift_tlv(&data, &data_len, OSMO_GSUP_IMSI_IE,
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&value, &value_len);
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if (rc <= 0)
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return -GMM_CAUSE_INV_MAND_INFO;
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if (value_len * 2 + 1 > sizeof(gsup_msg->imsi))
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return -GMM_CAUSE_INV_MAND_INFO;
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/* Note that gsm48_decode_bcd_number expects the number of encoded IMSI
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* octets in the first octet. By coincidence (the TLV encoding) the byte
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* before the value part already contains this length so we can use it
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* here.
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*/
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OSMO_ASSERT(value[-1] == value_len);
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gsm48_decode_bcd_number(gsup_msg->imsi, sizeof(gsup_msg->imsi),
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value - 1, 0);
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/* specific parts */
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while (data_len > 0) {
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enum osmo_gsup_iei iei;
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struct osmo_gsup_pdp_info pdp_info;
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struct osmo_auth_vector auth_info;
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rc = osmo_shift_tlv(&data, &data_len, &tag, &value, &value_len);
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if (rc < 0)
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return -GMM_CAUSE_PROTO_ERR_UNSPEC;
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iei = tag;
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switch (iei) {
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case OSMO_GSUP_IMSI_IE:
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case OSMO_GSUP_PDP_TYPE_IE:
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case OSMO_GSUP_ACCESS_POINT_NAME_IE:
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case OSMO_GSUP_RAND_IE:
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case OSMO_GSUP_SRES_IE:
|
||||
case OSMO_GSUP_KC_IE:
|
||||
LOGP(DLGSUP, LOGL_NOTICE,
|
||||
"GSUP IE type %d not expected (ignored)\n", iei);
|
||||
continue;
|
||||
|
||||
case OSMO_GSUP_CAUSE_IE:
|
||||
gsup_msg->cause = osmo_decode_big_endian(value, value_len);
|
||||
break;
|
||||
|
||||
case OSMO_GSUP_CANCEL_TYPE_IE:
|
||||
gsup_msg->cancel_type =
|
||||
osmo_decode_big_endian(value, value_len) + 1;
|
||||
break;
|
||||
|
||||
case OSMO_GSUP_PDP_INFO_COMPL_IE:
|
||||
gsup_msg->pdp_info_compl = 1;
|
||||
break;
|
||||
|
||||
case OSMO_GSUP_FREEZE_PTMSI_IE:
|
||||
gsup_msg->freeze_ptmsi = 1;
|
||||
break;
|
||||
|
||||
case OSMO_GSUP_PDP_CONTEXT_ID_IE:
|
||||
/* When these IE appear in the top-level part of the
|
||||
* message, they are used by Delete Subscr Info to delete
|
||||
* single entries. We don't have an extra list for
|
||||
* these but use the PDP info list instead */
|
||||
|
||||
/* fall through */
|
||||
|
||||
case OSMO_GSUP_PDP_INFO_IE:
|
||||
if (gsup_msg->num_pdp_infos >= OSMO_GSUP_MAX_NUM_PDP_INFO) {
|
||||
LOGP(DLGSUP, LOGL_ERROR,
|
||||
"GSUP IE type %d (PDP_INFO) max exceeded\n",
|
||||
iei);
|
||||
return -GMM_CAUSE_COND_IE_ERR;
|
||||
}
|
||||
|
||||
pdp_info = empty_pdp_info;
|
||||
|
||||
if (iei == OSMO_GSUP_PDP_INFO_IE) {
|
||||
rc = decode_pdp_info(value, value_len, &pdp_info);
|
||||
if (rc < 0)
|
||||
return rc;
|
||||
pdp_info.have_info = 1;
|
||||
} else {
|
||||
pdp_info.context_id =
|
||||
osmo_decode_big_endian(value, value_len);
|
||||
}
|
||||
|
||||
gsup_msg->pdp_infos[gsup_msg->num_pdp_infos++] =
|
||||
pdp_info;
|
||||
break;
|
||||
|
||||
case OSMO_GSUP_AUTH_TUPLE_IE:
|
||||
if (gsup_msg->num_auth_vectors >= OSMO_GSUP_MAX_NUM_AUTH_INFO) {
|
||||
LOGP(DLGSUP, LOGL_ERROR,
|
||||
"GSUP IE type %d (AUTH_INFO) max exceeded\n",
|
||||
iei);
|
||||
return -GMM_CAUSE_INV_MAND_INFO;
|
||||
}
|
||||
|
||||
auth_info = empty_auth_info;
|
||||
|
||||
rc = decode_auth_info(value, value_len, &auth_info);
|
||||
if (rc < 0)
|
||||
return rc;
|
||||
|
||||
gsup_msg->auth_vectors[gsup_msg->num_auth_vectors++] =
|
||||
auth_info;
|
||||
break;
|
||||
|
||||
case OSMO_GSUP_AUTS_IE:
|
||||
if (value_len != 16) {
|
||||
LOGP(DLGSUP, LOGL_ERROR,
|
||||
"AUTS length != 16 received\n");
|
||||
return -GMM_CAUSE_COND_IE_ERR;
|
||||
}
|
||||
gsup_msg->auts = value;
|
||||
break;
|
||||
|
||||
case OSMO_GSUP_MSISDN_IE:
|
||||
gsup_msg->msisdn_enc = value;
|
||||
gsup_msg->msisdn_enc_len = value_len;
|
||||
break;
|
||||
|
||||
case OSMO_GSUP_HLR_NUMBER_IE:
|
||||
gsup_msg->hlr_enc = value;
|
||||
gsup_msg->hlr_enc_len = value_len;
|
||||
break;
|
||||
|
||||
default:
|
||||
LOGP(DLGSUP, LOGL_NOTICE,
|
||||
"GSUP IE type %d unknown\n", iei);
|
||||
continue;
|
||||
}
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void encode_pdp_info(struct msgb *msg, enum osmo_gsup_iei iei,
|
||||
const struct osmo_gsup_pdp_info *pdp_info)
|
||||
{
|
||||
uint8_t *len_field;
|
||||
size_t old_len;
|
||||
uint8_t u8;
|
||||
|
||||
len_field = msgb_tlv_put(msg, iei, 0, NULL) - 1;
|
||||
old_len = msgb_length(msg);
|
||||
|
||||
u8 = pdp_info->context_id;
|
||||
msgb_tlv_put(msg, OSMO_GSUP_PDP_CONTEXT_ID_IE, sizeof(u8), &u8);
|
||||
|
||||
if (pdp_info->pdp_type) {
|
||||
msgb_tlv_put(msg, OSMO_GSUP_PDP_TYPE_IE,
|
||||
OSMO_GSUP_PDP_TYPE_SIZE,
|
||||
osmo_encode_big_endian(pdp_info->pdp_type | 0xf000,
|
||||
OSMO_GSUP_PDP_TYPE_SIZE));
|
||||
}
|
||||
|
||||
if (pdp_info->apn_enc) {
|
||||
msgb_tlv_put(msg, OSMO_GSUP_ACCESS_POINT_NAME_IE,
|
||||
pdp_info->apn_enc_len, pdp_info->apn_enc);
|
||||
}
|
||||
|
||||
if (pdp_info->qos_enc) {
|
||||
msgb_tlv_put(msg, OSMO_GSUP_PDP_QOS_IE,
|
||||
pdp_info->qos_enc_len, pdp_info->qos_enc);
|
||||
}
|
||||
|
||||
/* Update length field */
|
||||
*len_field = msgb_length(msg) - old_len;
|
||||
}
|
||||
|
||||
static void encode_auth_info(struct msgb *msg, enum osmo_gsup_iei iei,
|
||||
const struct osmo_auth_vector *auth_vector)
|
||||
{
|
||||
uint8_t *len_field;
|
||||
size_t old_len;
|
||||
|
||||
len_field = msgb_tlv_put(msg, iei, 0, NULL) - 1;
|
||||
old_len = msgb_length(msg);
|
||||
|
||||
msgb_tlv_put(msg, OSMO_GSUP_RAND_IE,
|
||||
sizeof(auth_vector->rand), auth_vector->rand);
|
||||
|
||||
msgb_tlv_put(msg, OSMO_GSUP_SRES_IE,
|
||||
sizeof(auth_vector->sres), auth_vector->sres);
|
||||
|
||||
msgb_tlv_put(msg, OSMO_GSUP_KC_IE,
|
||||
sizeof(auth_vector->kc), auth_vector->kc);
|
||||
|
||||
/* Update length field */
|
||||
*len_field = msgb_length(msg) - old_len;
|
||||
}
|
||||
|
||||
/*! Encode a GSUP message
|
||||
* \param[out] msg message buffer to which encoded message is written
|
||||
* \param[in] gsup_msg \ref osmo_gsup_message data to be encoded
|
||||
*/
|
||||
void osmo_gsup_encode(struct msgb *msg, const struct osmo_gsup_message *gsup_msg)
|
||||
{
|
||||
uint8_t u8;
|
||||
int idx;
|
||||
uint8_t bcd_buf[GSM48_MI_SIZE] = {0};
|
||||
size_t bcd_len;
|
||||
|
||||
/* generic part */
|
||||
OSMO_ASSERT(gsup_msg->message_type);
|
||||
msgb_v_put(msg, gsup_msg->message_type);
|
||||
|
||||
bcd_len = gsm48_encode_bcd_number(bcd_buf, sizeof(bcd_buf), 0,
|
||||
gsup_msg->imsi);
|
||||
|
||||
OSMO_ASSERT(bcd_len > 1);
|
||||
|
||||
/* Note that gsm48_encode_bcd_number puts the length into the first
|
||||
* octet. Since msgb_tlv_put will add this length byte, we'll have to
|
||||
* skip it */
|
||||
msgb_tlv_put(msg, OSMO_GSUP_IMSI_IE, bcd_len - 1, &bcd_buf[1]);
|
||||
|
||||
/* specific parts */
|
||||
if (gsup_msg->msisdn_enc)
|
||||
msgb_tlv_put(msg, OSMO_GSUP_MSISDN_IE,
|
||||
gsup_msg->msisdn_enc_len, gsup_msg->msisdn_enc);
|
||||
if (gsup_msg->hlr_enc)
|
||||
msgb_tlv_put(msg, OSMO_GSUP_HLR_NUMBER_IE,
|
||||
gsup_msg->hlr_enc_len, gsup_msg->hlr_enc);
|
||||
|
||||
if ((u8 = gsup_msg->cause))
|
||||
msgb_tlv_put(msg, OSMO_GSUP_CAUSE_IE, sizeof(u8), &u8);
|
||||
|
||||
if ((u8 = gsup_msg->cancel_type)) {
|
||||
u8 -= 1;
|
||||
msgb_tlv_put(msg, OSMO_GSUP_CANCEL_TYPE_IE, sizeof(u8), &u8);
|
||||
}
|
||||
|
||||
if (gsup_msg->pdp_info_compl)
|
||||
msgb_tlv_put(msg, OSMO_GSUP_PDP_INFO_COMPL_IE, 0, &u8);
|
||||
|
||||
if (gsup_msg->freeze_ptmsi)
|
||||
msgb_tlv_put(msg, OSMO_GSUP_FREEZE_PTMSI_IE, 0, &u8);
|
||||
|
||||
for (idx = 0; idx < gsup_msg->num_pdp_infos; idx++) {
|
||||
const struct osmo_gsup_pdp_info *pdp_info;
|
||||
|
||||
pdp_info = &gsup_msg->pdp_infos[idx];
|
||||
|
||||
if (pdp_info->context_id == 0)
|
||||
continue;
|
||||
|
||||
if (pdp_info->have_info) {
|
||||
encode_pdp_info(msg, OSMO_GSUP_PDP_INFO_IE, pdp_info);
|
||||
} else {
|
||||
u8 = pdp_info->context_id;
|
||||
msgb_tlv_put(msg, OSMO_GSUP_PDP_CONTEXT_ID_IE,
|
||||
sizeof(u8), &u8);
|
||||
}
|
||||
}
|
||||
|
||||
for (idx = 0; idx < gsup_msg->num_auth_vectors; idx++) {
|
||||
const struct osmo_auth_vector *auth_vector;
|
||||
|
||||
auth_vector = &gsup_msg->auth_vectors[idx];
|
||||
|
||||
encode_auth_info(msg, OSMO_GSUP_AUTH_TUPLE_IE, auth_vector);
|
||||
}
|
||||
|
||||
if (gsup_msg->auts)
|
||||
msgb_tlv_put(msg, OSMO_GSUP_AUTS_IE, 16, gsup_msg->auts);
|
||||
}
|
||||
|
|
@ -309,5 +309,8 @@ osmo_apn_qualify_from_imsi;
|
|||
osmo_apn_to_str;
|
||||
osmo_apn_from_str;
|
||||
|
||||
osmo_gsup_encode;
|
||||
osmo_gsup_decode;
|
||||
|
||||
local: *;
|
||||
};
|
||||
|
|
|
|||
|
|
@ -13,7 +13,7 @@ check_PROGRAMS = timer/timer_test sms/sms_test ussd/ussd_test \
|
|||
vty/vty_test comp128/comp128_test utils/utils_test \
|
||||
smscb/gsm0341_test stats/stats_test \
|
||||
bitvec/bitvec_test msgb/msgb_test bits/bitcomp_test \
|
||||
sim/sim_test tlv/tlv_test
|
||||
sim/sim_test tlv/tlv_test gsup/gsup_test
|
||||
|
||||
if ENABLE_MSGFILE
|
||||
check_PROGRAMS += msgfile/msgfile_test
|
||||
|
|
@ -112,6 +112,9 @@ sim_sim_test_LDADD = $(top_builddir)/src/sim/libosmosim.la $(top_builddir)/src/l
|
|||
tlv_tlv_test_SOURCES = tlv/tlv_test.c
|
||||
tlv_tlv_test_LDADD = $(top_builddir)/src/gsm/libosmogsm.la $(top_builddir)/src/libosmocore.la
|
||||
|
||||
gsup_gsup_test_SOURCES = gsup/gsup_test.c
|
||||
gsup_gsup_test_LDADD = $(top_builddir)/src/gsm/libosmogsm.la $(top_builddir)/src/libosmocore.la
|
||||
|
||||
# The `:;' works around a Bash 3.2 bug when the output is not writeable.
|
||||
$(srcdir)/package.m4: $(top_srcdir)/configure.ac
|
||||
:;{ \
|
||||
|
|
@ -146,7 +149,7 @@ EXTRA_DIST = testsuite.at $(srcdir)/package.m4 $(TESTSUITE) \
|
|||
vty/vty_test.ok comp128/comp128_test.ok \
|
||||
utils/utils_test.ok stats/stats_test.ok \
|
||||
bitvec/bitvec_test.ok msgb/msgb_test.ok bits/bitcomp_test.ok \
|
||||
sim/sim_test.ok tlv/tlv_test.ok
|
||||
sim/sim_test.ok tlv/tlv_test.ok gsup/gsup_test.ok
|
||||
|
||||
DISTCLEANFILES = atconfig
|
||||
|
||||
|
|
|
|||
|
|
@ -0,0 +1,264 @@
|
|||
#include <string.h>
|
||||
|
||||
#include <osmocom/core/logging.h>
|
||||
#include <osmocom/core/utils.h>
|
||||
#include <osmocom/core/application.h>
|
||||
#include <osmocom/gsm/gsup.h>
|
||||
|
||||
#define VERBOSE_FPRINTF(...)
|
||||
|
||||
/* Tests for osmo_gsup_messages.c */
|
||||
|
||||
#define TEST_IMSI_IE 0x01, 0x08, 0x21, 0x43, 0x65, 0x87, 0x09, 0x21, 0x43, 0xf5
|
||||
#define TEST_IMSI_STR "123456789012345"
|
||||
|
||||
static void test_gsup_messages_dec_enc(void)
|
||||
{
|
||||
int test_idx;
|
||||
int rc;
|
||||
uint8_t buf[1024];
|
||||
|
||||
static const uint8_t send_auth_info_req[] = {
|
||||
0x08,
|
||||
TEST_IMSI_IE
|
||||
};
|
||||
|
||||
static const uint8_t send_auth_info_err[] = {
|
||||
0x09,
|
||||
TEST_IMSI_IE,
|
||||
0x02, 0x01, 0x07 /* GPRS no allowed */
|
||||
};
|
||||
|
||||
static const uint8_t send_auth_info_res[] = {
|
||||
0x0a,
|
||||
TEST_IMSI_IE,
|
||||
0x03, 0x22, /* Auth tuple */
|
||||
0x20, 0x10,
|
||||
0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08,
|
||||
0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10,
|
||||
0x21, 0x04,
|
||||
0x21, 0x22, 0x23, 0x24,
|
||||
0x22, 0x08,
|
||||
0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38,
|
||||
0x03, 0x22, /* Auth tuple */
|
||||
0x20, 0x10,
|
||||
0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88,
|
||||
0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f, 0x90,
|
||||
0x21, 0x04,
|
||||
0xa1, 0xa2, 0xa3, 0xa4,
|
||||
0x22, 0x08,
|
||||
0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7, 0xb8,
|
||||
};
|
||||
|
||||
static const uint8_t update_location_req[] = {
|
||||
0x04,
|
||||
TEST_IMSI_IE,
|
||||
};
|
||||
|
||||
static const uint8_t update_location_err[] = {
|
||||
0x05,
|
||||
TEST_IMSI_IE,
|
||||
0x02, 0x01, 0x07 /* GPRS no allowed */
|
||||
};
|
||||
|
||||
static const uint8_t update_location_res[] = {
|
||||
0x06,
|
||||
TEST_IMSI_IE,
|
||||
0x08, 0x07, /* MSISDN of the subscriber */
|
||||
0x91, 0x94, 0x61, 0x46, 0x32, 0x24, 0x43,
|
||||
0x09, 0x07, /* HLR-Number of the subscriber */
|
||||
0x91, 0x83, 0x52, 0x38, 0x48, 0x83, 0x93,
|
||||
0x04, 0x00, /* PDP info complete */
|
||||
0x05, 0x15,
|
||||
0x10, 0x01, 0x01,
|
||||
0x11, 0x02, 0xf1, 0x21, /* IPv4 */
|
||||
0x12, 0x09, 0x04, 't', 'e', 's', 't', 0x03, 'a', 'p', 'n',
|
||||
0x13, 0x01, 0x02,
|
||||
0x05, 0x11,
|
||||
0x10, 0x01, 0x02,
|
||||
0x11, 0x02, 0xf1, 0x21, /* IPv4 */
|
||||
0x12, 0x08, 0x03, 'f', 'o', 'o', 0x03, 'a', 'p', 'n',
|
||||
};
|
||||
|
||||
static const uint8_t location_cancellation_req[] = {
|
||||
0x1c,
|
||||
TEST_IMSI_IE,
|
||||
0x06, 0x01, 0x00,
|
||||
};
|
||||
|
||||
static const uint8_t location_cancellation_err[] = {
|
||||
0x1d,
|
||||
TEST_IMSI_IE,
|
||||
0x02, 0x01, 0x03 /* Illegal MS */
|
||||
};
|
||||
|
||||
static const uint8_t location_cancellation_res[] = {
|
||||
0x1e,
|
||||
TEST_IMSI_IE,
|
||||
};
|
||||
|
||||
static const uint8_t purge_ms_req[] = {
|
||||
0x0c,
|
||||
TEST_IMSI_IE,
|
||||
};
|
||||
|
||||
static const uint8_t purge_ms_err[] = {
|
||||
0x0d,
|
||||
TEST_IMSI_IE,
|
||||
0x02, 0x01, 0x03, /* Illegal MS */
|
||||
};
|
||||
|
||||
static const uint8_t purge_ms_res[] = {
|
||||
0x0e,
|
||||
TEST_IMSI_IE,
|
||||
0x07, 0x00,
|
||||
};
|
||||
|
||||
static const struct test {
|
||||
char *name;
|
||||
const uint8_t *data;
|
||||
size_t data_len;
|
||||
} test_messages[] = {
|
||||
{"Send Authentication Info Request",
|
||||
send_auth_info_req, sizeof(send_auth_info_req)},
|
||||
{"Send Authentication Info Error",
|
||||
send_auth_info_err, sizeof(send_auth_info_err)},
|
||||
{"Send Authentication Info Result",
|
||||
send_auth_info_res, sizeof(send_auth_info_res)},
|
||||
{"Update Location Request",
|
||||
update_location_req, sizeof(update_location_req)},
|
||||
{"Update Location Error",
|
||||
update_location_err, sizeof(update_location_err)},
|
||||
{"Update Location Result",
|
||||
update_location_res, sizeof(update_location_res)},
|
||||
{"Location Cancellation Request",
|
||||
location_cancellation_req, sizeof(location_cancellation_req)},
|
||||
{"Location Cancellation Error",
|
||||
location_cancellation_err, sizeof(location_cancellation_err)},
|
||||
{"Location Cancellation Result",
|
||||
location_cancellation_res, sizeof(location_cancellation_res)},
|
||||
{"Purge MS Request",
|
||||
purge_ms_req, sizeof(purge_ms_req)},
|
||||
{"Purge MS Error",
|
||||
purge_ms_err, sizeof(purge_ms_err)},
|
||||
{"Purge MS Result",
|
||||
purge_ms_res, sizeof(purge_ms_res)},
|
||||
};
|
||||
|
||||
printf("Test GSUP message decoding/encoding\n");
|
||||
|
||||
for (test_idx = 0; test_idx < ARRAY_SIZE(test_messages); test_idx++) {
|
||||
const struct test *t = &test_messages[test_idx];
|
||||
struct osmo_gsup_message gm = {0};
|
||||
struct msgb *msg = msgb_alloc(4096, "gsup_test");
|
||||
|
||||
printf(" Testing %s\n", t->name);
|
||||
|
||||
rc = osmo_gsup_decode(t->data, t->data_len, &gm);
|
||||
OSMO_ASSERT(rc >= 0);
|
||||
|
||||
osmo_gsup_encode(msg, &gm);
|
||||
|
||||
fprintf(stderr, " generated message: %s\n", msgb_hexdump(msg));
|
||||
fprintf(stderr, " original message: %s\n", osmo_hexdump(t->data, t->data_len));
|
||||
fprintf(stderr, " IMSI: %s\n", gm.imsi);
|
||||
OSMO_ASSERT(strcmp(gm.imsi, TEST_IMSI_STR) == 0);
|
||||
OSMO_ASSERT(msgb_length(msg) == t->data_len);
|
||||
OSMO_ASSERT(memcmp(msgb_data(msg), t->data, t->data_len) == 0);
|
||||
|
||||
msgb_free(msg);
|
||||
}
|
||||
|
||||
/* simple truncation test */
|
||||
for (test_idx = 0; test_idx < ARRAY_SIZE(test_messages); test_idx++) {
|
||||
int j;
|
||||
const struct test *t = &test_messages[test_idx];
|
||||
int ie_end = t->data_len;
|
||||
struct osmo_gsup_message gm = {0};
|
||||
int counter = 0;
|
||||
int parse_err = 0;
|
||||
|
||||
for (j = t->data_len - 1; j >= 0; --j) {
|
||||
rc = osmo_gsup_decode(t->data, j, &gm);
|
||||
counter += 1;
|
||||
|
||||
VERBOSE_FPRINTF(stderr,
|
||||
" partial message decoding: "
|
||||
"orig_len = %d, trunc = %d, rc = %d, ie_end = %d\n",
|
||||
t->data_len, j, rc, ie_end);
|
||||
if (rc >= 0) {
|
||||
VERBOSE_FPRINTF(stderr,
|
||||
" remaing partial message: %s\n",
|
||||
osmo_hexdump(t->data + j, ie_end - j));
|
||||
|
||||
OSMO_ASSERT(j <= ie_end - 2);
|
||||
OSMO_ASSERT(t->data[j+0] <= OSMO_GSUP_KC_IE);
|
||||
OSMO_ASSERT(t->data[j+1] <= ie_end - j - 2);
|
||||
|
||||
ie_end = j;
|
||||
} else {
|
||||
parse_err += 1;
|
||||
}
|
||||
}
|
||||
|
||||
fprintf(stderr,
|
||||
" message %d: tested %d truncations, %d parse failures\n",
|
||||
test_idx, counter, parse_err);
|
||||
}
|
||||
|
||||
/* message modification test (relies on ASAN or valgrind being used) */
|
||||
for (test_idx = 0; test_idx < ARRAY_SIZE(test_messages); test_idx++) {
|
||||
int j;
|
||||
const struct test *t = &test_messages[test_idx];
|
||||
struct osmo_gsup_message gm = {0};
|
||||
uint8_t val;
|
||||
int counter = 0;
|
||||
int parse_err = 0;
|
||||
|
||||
OSMO_ASSERT(sizeof(buf) >= t->data_len);
|
||||
|
||||
for (j = t->data_len - 1; j >= 0; --j) {
|
||||
memcpy(buf, t->data, t->data_len);
|
||||
val = 0;
|
||||
do {
|
||||
VERBOSE_FPRINTF(stderr,
|
||||
"t = %d, len = %d, val = %d\n",
|
||||
test_idx, j, val);
|
||||
buf[j] = val;
|
||||
rc = osmo_gsup_decode(buf, t->data_len, &gm);
|
||||
counter += 1;
|
||||
if (rc < 0)
|
||||
parse_err += 1;
|
||||
|
||||
val += 1;
|
||||
} while (val != (uint8_t)256);
|
||||
}
|
||||
|
||||
fprintf(stderr,
|
||||
" message %d: tested %d modifications, %d parse failures\n",
|
||||
test_idx, counter, parse_err);
|
||||
}
|
||||
}
|
||||
|
||||
const struct log_info_cat default_categories[] = {
|
||||
[DLGSUP] = {
|
||||
.name = "DLGSUP",
|
||||
.description = "Generic Subscriber Update Protocol",
|
||||
.enabled = 0, .loglevel = LOGL_DEBUG,
|
||||
},
|
||||
};
|
||||
|
||||
static struct log_info info = {
|
||||
.cat = default_categories,
|
||||
.num_cat = ARRAY_SIZE(default_categories),
|
||||
};
|
||||
|
||||
int main(int argc, char **argv)
|
||||
{
|
||||
osmo_init_logging(&info);
|
||||
|
||||
test_gsup_messages_dec_enc();
|
||||
|
||||
printf("Done.\n");
|
||||
return EXIT_SUCCESS;
|
||||
}
|
||||
|
|
@ -0,0 +1,14 @@
|
|||
Test GSUP message decoding/encoding
|
||||
Testing Send Authentication Info Request
|
||||
Testing Send Authentication Info Error
|
||||
Testing Send Authentication Info Result
|
||||
Testing Update Location Request
|
||||
Testing Update Location Error
|
||||
Testing Update Location Result
|
||||
Testing Location Cancellation Request
|
||||
Testing Location Cancellation Error
|
||||
Testing Location Cancellation Result
|
||||
Testing Purge MS Request
|
||||
Testing Purge MS Error
|
||||
Testing Purge MS Result
|
||||
Done.
|
||||
|
|
@ -190,3 +190,9 @@ AT_KEYWORDS([tlv])
|
|||
cat $abs_srcdir/tlv/tlv_test.ok > expout
|
||||
AT_CHECK([$abs_top_builddir/tests/tlv/tlv_test], [0], [expout], [ignore])
|
||||
AT_CLEANUP
|
||||
|
||||
AT_SETUP([gsup])
|
||||
AT_KEYWORDS([gsup])
|
||||
cat $abs_srcdir/gsup/gsup_test.ok > expout
|
||||
AT_CHECK([$abs_top_builddir/tests/gsup/gsup_test], [0], [expout], [ignore])
|
||||
AT_CLEANUP
|
||||
|
|
|
|||
Loading…
Reference in New Issue